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WO/2019/092555A1 |
A safety switch for controlling the access to industrial machines or plants comprises a switching device (2) adapted to be associated with a fixed part (F) of the access (B) to be controlled and having switching means operably connectabl...
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WO/2019/093571A1 |
The present invention relates to a device for protecting an inverter for photovoltaic power generation, which is capable of performing an inverter protection operation in response to an occurrence of external force as well as neutral wir...
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WO/2019/093100A1 |
[Problem] To achieve, in a concrete manner, suppression of magnetizing inrush electric current of a single-phase transformer by clarifying a residual magnetic flux calculation method, and to provide a magnetizing inrush current suppressi...
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WO/2019/091130A1 |
Disclosed in the present invention are a system-level protection system and method for sub/super-synchronous resonance/oscillation, wherein the system comprises: a central protection coordinator and multiple distributed protection relays...
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WO/2019/087974A1 |
This power supply protection circuit (10a) controls a protection switch (2) which is inserted into a power supply line that connects a direct-current power supply (1) and a load circuit (3) with each other; and this power supply protecti...
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WO/2019/087542A1 |
A load abnormality detecting circuit for an inverter to detect abnormality of a load during an operation of the inverter which has a self-arc-extinguishing element as a switching element and a phase synchronizing loop controlling an outp...
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WO/2019/084947A1 |
A direct-current switch cabinet comprises a positive electrode cabinet, a negative electrode cabinet, a circuit breaker, and a disconnector. A first end of the circuit breaker is configured to be connected to a busbar of the positive ele...
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WO/2019/088264A1 |
A management device 50 for power storage elements is provided with a cause analysis unit 51 that, when the voltages of power storage elements B1-B4 are reduced to a prescribed level or physical quantities correlated with the voltages are...
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WO/2019/085233A1 |
The present application relates to the field of battery protection, and provides a power supply device and a battery protection circuit (10) thereof. The battery protection circuit is connected to a battery (20) and comprises a main cont...
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WO/2019/088908A1 |
A method and a device for detecting faults and for protection of electrical networks, the electrical networks being fed from a transformer station (20) through a first three-phase switching device (25) with circuit breaker (18), a distri...
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WO/2019/082277A1 |
The purpose of the present invention is to provide an anomaly assessment device, an anomaly assessment method, and an anomaly assessment system that are capable of assessing whether there is an anomaly even in an electric motor driven by...
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WO/2019/080795A1 |
The present invention provides a power-driven tailgate control system and a protection method thereof, for use in controlling a power-driven tailgate. The power-driven tailgate is opened and closed by spindles. A motor drives the spindle...
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WO/2019/082778A1 |
Batteries (BT1, BT2) "which are a plurality of power storage modules each including one or more power storage cells" can be connected to chargers (10, 20) and/or a load (80). Relays (RY1-RY9) can switch the connection of the batteries (B...
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WO/2019/081123A1 |
The invention relates to a temperature monitoring device (1) for protecting the winding of an electronically commutated electric motor (10) from being heated over a specified threshold temperature TG regardless of the rotational speed, c...
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WO/2019/080716A1 |
Provided by the present invention is an intelligent determination and control circuit of a general battery, the control circuit being used for determining and controlling a power supply voltage, and the control circuit comprising a stand...
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WO/2019/082454A1 |
A power source switch control device (1) comprises: a detection circuit (c1); a detection circuit (c2); a detection circuit (c3); and a detection circuit (c4). The detection circuit (c1) detects forward voltage of a body diode (d1) of an...
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WO/2019/080989A1 |
The invention relates to a protective circuit (1) which is at least provided with the first field-effect transistor (2) comprising a first drain connection (3), a first source connection (4) and a first gate connection (5), a control app...
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WO/2019/075908A1 |
An apparatus (100) and system for protecting electric power utilization, and a control method for the apparatus for protecting electric power utilization. By means of the mutual cooperation of a processing unit (110), multiple signal col...
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WO/2019/079789A1 |
A protection system capable of safely quenching a high temperature superconductor (HTS) magnet coil. The protection circuit provides for a frequency loss induced quench design that advances the protection technology for HTS magnet coils ...
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WO/2019/078510A1 |
A direct current protection device according to one technical aspect of the present invention, which receives direct current power supplied from an AC-to-DC converter and performs a protection operation against overcurrent, may comprise:...
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WO/2019/075916A1 |
Provided are a signal recognition and processing unit, a method for recognizing and processing a signal, and a computer-readable medium, relating to the field of control technology. The signal recognition and processing unit comprises a ...
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WO/2019/077895A1 |
Recently, improvement in the detection precision of overcurrent has been desired. An overcurrent detection device is provided that comprises: a gate current detection unit that detects whether a gate current flowing to a semiconductor el...
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WO/2019/074890A1 |
A battery protection system, comprising: a first protection circuit configured to detect a battery output voltage value and to disconnect the battery output from a load when the output voltage falls below a first threshold; a second prot...
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WO/2019/069247A1 |
Disclosed herein is a method for circuit breaker failure (CBF) protection in a power substation. The method detects the failure of circuit breakers (CBs) that are associated with a power plant connected to a power network via the powered...
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WO/2019/065472A1 |
A power supply apparatus includes a rectifier configured to convert AC power supplied from an AC power supply into DC power, a smoothing unit configured to smooth the DC power, an inverter configured to convert the DC power smoothed by t...
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WO/2019/063793A1 |
The invention relates to a circuit arrangement (1) for secure switching of inverter appliances (2) of a facility by means of a common emergency switch (3) connected to a switching signal input (4) of one of the inverter appliances (2), w...
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WO/2019/063775A1 |
The approach presented here discloses a control unit (110) for actuating a door drive motor (115) for a door (120) of a rail vehicle (100). The control unit (110) comprises at least one read-in interface (140) for reading in a blocking s...
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WO/2019/061139A1 |
A short circuit protection method and apparatus. The method comprises: setting a working voltage and a working current of a power supply, wherein the working current is the maximum working current allowed, under the working voltage, by a...
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WO/2019/062172A1 |
The present application provides a simulation model and method for a direct current circuit breaker, and a storage medium. The simulation model comprises a primary branch, a transfer branch, and an energy consumption branch that are conn...
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WO/2019/063186A1 |
The invention relates to a multi-line supply unit (1A) for a vehicle control device, having at least two supply lines (S1, S2) which are each connected at the input to at least one vehicle voltage source and are joined at the output in a...
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WO/2019/057381A1 |
A control device for a dock leveller system which is able to determine when the dock leveller is at a maximally raised position where its ramp and lip are fully extended by monitoring an increase in power consumption of the dock leveller...
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WO/2019/057148A1 |
A power source protection apparatus, comprising a protection IC, a switch tube group and a sampling resistor, wherein the protection IC is respectively connected to positive and negative poles of the battery cell and comprises a mirror i...
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WO/2019/060644A1 |
Systems and methods are provided for braking a translator of a linear multiphase electromagnetic machine. The system detects a fault event, and in response to detecting the fault event, causes the translator to brake using an electromagn...
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WO/2019/060712A1 |
The present disclosure pertains to systems and methods to detect faults in electric power delivery systems. In one embodiment, a data acquisition system may acquire a plurality of electric power delivery system signals from an electric p...
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WO/2019/057144A1 |
A power source protection apparatus of a battery protection apparatus, which battery protection apparatus is used for protecting a battery cell connected to a load. The power source protection apparatus comprises a protection IC, a switc...
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WO/2019/060521A1 |
An electrical system can include a power supply configured to provide electrical power to components at a time at which the electrical system experiences an electrical fault. The electrical system can include a first battery electrically...
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WO/2019/051917A1 |
Disclosed is a drive device (20) for a power switch tube. The drive device comprises: a voltage providing module for providing a voltage required by a power switch tube (30); a drive signal isolation module (203) for providing an isolate...
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WO/2019/047079A1 |
A power switching component overcurrent protection circuit (100), a motor driving system, and a motor system, related to overcurrent protection techniques for power switching components in the field of electricity and electronics. The ov...
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WO/2019/047589A1 |
A method and system for protecting the zero sequence current of a neutral point resistance grounding system: the zero sequence current active component protection increases the sensitivity and reliability using a zero sequence current ac...
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WO/2019/049378A1 |
An embodiment of the present invention provides a storage battery device having high reliability. The storage battery device according to the embodiment is provided with: electromagnetic contacts CN2, CN3 which are connected in parallel ...
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WO/2019/048475A1 |
The present application provides a floating voltage processing circuit for a multipath MPPT photovoltaic inverter. The circuit includes: a comparator unit including a comparator, a first divider resistor and a second divider resistor, he...
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WO/2019/049621A1 |
A voltage compensation device according to an embodiment is provided with: a power converter which includes first to fourth diodes and first to fourth switching elements in a bridge connection; first and second transformers each of which...
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WO/2019/042537A1 |
The invention relates to a drive with integrated dynamic load control, comprising: a mains-fed three-phase asynchronous motor having three winding phases connected in star, wherein the phase windings each have at least one field winding ...
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WO/2019/044657A1 |
This energization control device comprises a plurality of semiconductor switches provided between a power source and a load and connected in parallel, and controls energization between the power source and the load by turning on/off the ...
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WO/2019/041092A1 |
An automobile power line protection device, comprising: a current detecting unit (10) connected to a device power signal; a voltage detecting unit (20) connected between a control unit (30) and an output interface; a control unit (30) se...
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WO/2019/043777A1 |
According to the present invention, a first converter converts input power into DC power of a prescribed voltage. A second converter has a power storage device, and converts, into AC power, the DC power supplied from the first converter ...
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WO/2019/043124A1 |
A power conversion circuit (50) having a solid-state circuit breaker (76, 78) integrated therein is disclosed. With a disconnect switch between a utility source and the power conversion apparatus described for meeting UL489, the power co...
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WO/2019/043910A1 |
A digital protection relay (1) is provided with: an A/D conversion unit (12) for sampling an input AC current at regular intervals; an arithmetic processing unit (13) for performing a frequency analysis using a sampled digital value; a c...
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WO/2019/043594A1 |
A matrix converter includes one or more current sensors structured to sense current flowing through the matrix converter, a matrix of switches including a number of solid state transistors, and a control circuit structured to detect faul...
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WO/2019/044842A1 |
This battery pack (2000) comprises a secondary battery (2020), a sensor (2040), and a control device (2060). The secondary battery (2020) supplies electric power to a flying object (10). The sensor (2040) outputs a measurement value rela...
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